There are many more than these two.

First federated ecash mint was scrit, way before fedi ( https://raw.githubusercontent.com/scritcash/scrit-whitepaper/master/scrit-whitepaper.pdf ). There's ecash on eth called ZeroWei... Many mixing solutions are based on conversion to ecash notes, either temporary (Wasabi) or more long term (Tornado).

So I would say the meaning expanded, not became more specific.